Datasheet

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TYPICAL CHARACTERISTICS
70
80
90
100
110
−40 −20 0 20 40 60 80
SFDR − Spurious Free Dynamic Range − dB
T
A
− Free-Air-Temperature − C
f
i
= 45 kHz
40
50
60
70
80
−40 −20 0 20 40 60 80
SNR − Signal-to-Noise − dB
T
A
− Free-Air-Temperature − C
f
i
= 45 kHz
−100
−95
−90
−85
−80
−75
−70
−40 −20 0 20 40 60 80
T
A
− Free-Air-Temperature − C
THD − Total Harmonic Distortion − dB
SINAD − Signal-to-Noise and Distortion − dB
T
A
− Free-Air-Temperature − C
40
50
60
70
80
−40 −20 0 20 40 60 80
f
i
= 45 kHz
50
55
60
65
70
75
80
1 10 100 1000
SNR − Signal-to-Noise − dB
f
i
− Input Frequency − kHz
50
55
60
65
70
75
80
1 10 100 1000
SINAD − Signal-to-Noise and Distortion − dB
f
i
− Input Frequency − kHz
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
1 10 100 1000
THD − Total Harmonic Distortion − dB
f
i
− Input Frequency − kHz
SFDR − Spurious Free Dynamic Range − dB
f
i
− Input Frequency − kHz
50
60
70
80
90
100
1
10 100 1000
−5
−4
−3
−2
−1
0
1
2
3
4
5
−40 −25 −10 5 20 35 50 65 80
Bipolar Zero Scale Error − mV
T
A
− Free-Air Temperature − C
External Reference,
±10-V Range
ADS8508
SLAS433 – SEPTEMBER 2005
SPURIOUS FREE DYNAMIC RANGE TOTAL HARMONIC DISTORTION SIGNAL-TO-NOISE RATIO
vs vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 10. Figure 11. Figure 12.
SIGNAL-TO-NOISE AND DISTOR- SIGNAL-TO-NOISE RATIO SIGNAL-TO-NOISE AND DISTOR-
TION vs TION
vs INPUT FREQUENCY vs
FREE-AIR TEMPERATURE INPUT FREQUENCY
Figure 13. Figure 14. Figure 15.
SPURIOUS FREE DYNAMIC RANGE TOTAL HARMONIC DISTORTION BIPOLAR ZERO SCALE ERROR
vs vs vs
INPUT FREQUENCY INPUT FREQUENCY FREE-AIR TEMPERATURE
Figure 16. Figure 17. Figure 18.
13